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Reports <code>catch</code> blocks that immediately rethrow
the caught exception without performing any action on it.
Such <code>catch</code> blocks are unnecessary and have no error
handling.
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<p><b>Example:</b></p>
<pre><code>
        try {
            new FileInputStream("");
        } catch (FileNotFoundException e) {
            throw e;
        }
</code></pre>

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